The Great Olive Confusion: Are Gemlik and Trilye the Same Thing? Understanding the Differences
- fethi çelik
- Sep 22
- 1 min read
When it comes to black table olives in Türkiye, two names come to mind: Gemlik and Trilye. These two terms are often used interchangeably, leading to confusion among consumers. So, what's the difference between Gemlik and Trilye olives?
Same Variety, Different Names
Botanically, the answer is simple: Gemlik and Trilye are the same olive variety. This variety is known for its thin skin, small seeds, and high oil content.
Why are there two different names? The answer lies in geography:
Gemlik: A district of Bursa and the main production and trade center for this olive variety. The olive variety is registered as "Gemlik" in the botanical literature.
Trilye: A historic town (Zeytinbağı) in the Mudanya district of Bursa province, it is one of the oldest and most famous olive-growing regions. Locals and gourmets often use the term "Trilye Olive."
Terroir and Processing Differences
Even though they are the same variety, there may be slight differences?
Micro-climate (Terroir): Even though they are geographically close, soil structure and climate differences can affect the aroma profile of olives at a nuanced level.
Processing Methods: While the Trilye region is generally known for its more traditional and boutique production methods (e.g. traditional sel), Gemlik hosts larger-scale production.
Conclusion:
Gemlik and Trilye are two different names for the same unique olive variety. "Trilye" generally has a more traditional and local connotation, while "Gemlik" is a broader market term and the official name of the Geographical Indication. Whichever you prefer, the quality offered by this variety is undeniable.

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